diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index 3d985ab8852..077f67bcc2f 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -143,7 +143,7 @@ Value *SCEVExpander::visitAddRecExpr(SCEVAddRecExpr *S) {
     
     // IF the step is by one, just return the inserted IV.
     if (ConstantInt *CI = dyn_cast<ConstantInt>(F))
-      if (CI->getZExtValue() == 1)
+      if (CI->getValue() == 1)
         return I;
     
     // If the insert point is directly inside of the loop, emit the multiply at